EP1589563A2 - Lampe décharge à barrière diélectrique avec électrodes externes et système d'illumination utilisant une telle lampe - Google Patents

Lampe décharge à barrière diélectrique avec électrodes externes et système d'illumination utilisant une telle lampe Download PDF

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Publication number
EP1589563A2
EP1589563A2 EP05005987A EP05005987A EP1589563A2 EP 1589563 A2 EP1589563 A2 EP 1589563A2 EP 05005987 A EP05005987 A EP 05005987A EP 05005987 A EP05005987 A EP 05005987A EP 1589563 A2 EP1589563 A2 EP 1589563A2
Authority
EP
European Patent Office
Prior art keywords
dielectric barrier
discharge lamp
barrier discharge
inner piston
lamp according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05005987A
Other languages
German (de)
English (en)
Other versions
EP1589563A3 (fr
Inventor
Walter Danner
Gerhard Dr. Döll
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP1589563A2 publication Critical patent/EP1589563A2/fr
Publication of EP1589563A3 publication Critical patent/EP1589563A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/046—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using capacitive means around the vessel
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A62B18/025—Halfmasks
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask

Definitions

  • the invention is based on a dielectric barrier discharge lamp.
  • the electrodes are covered by a dielectric of the discharge medium located inside the discharge vessel separated.
  • the electrodes can either all within, all outside or the electrode (s) one polarity inside and the other (s) be arranged outside the discharge vessel.
  • electrodes - in the following also as external electrodes denotes - the wall of the discharge vessel acts as a dielectric Barrier. If all electrodes are arranged inside the discharge vessel are - hereinafter also referred to as internal electrodes - must However, at least one electrode or the electrodes of a polarity a dielectric, for example by a dielectric coating, from Be separated inside the discharge vessel.
  • dielectric barrier discharge lamps are characterized by the dielectric Disabled gas discharge Radiation power in the UV (ultraviolet) range including the so-called VUV (Vacuum Ultraviolet) range (with wavelengths under 200 nm), which are used in lamps for lighting applications about phosphors or phosphor blends in radiant powers be converted in the visible range.
  • VUV Vauum Ultraviolet
  • the UV radiation itself is also used in applications.
  • the object of the present invention is to provide one with regard to the above disadvantages described improved dielectric barrier discharge lamp provide.
  • a dielectric barrier discharge lamp with a discharge vessel and at least two electrodes thereby in that the discharge vessel has an outer bulb and a Inner piston comprises, the inner piston disposed within the outer bulb is, the inner piston and the outer bulb gas-tightly interconnected are, whereby between inner and outer piston with a discharge medium filled discharge space is formed, the electrodes on the remote from the discharge space outside of the wall of the inner piston are arranged.
  • the invention is based on the finding that it is advantageous on the one hand is to a dielectric barrier discharge lamp with external electrodes too realize, because of the simple production of the electrodes without dielectric Coating and easy contacting of the electrodes with a Operating gear, without the need for a gas-tight power feedthrough to have to accept that then on the other hand, the outer electrodes also protected against contact and possibly further external influences should be.
  • the solution according to the invention provides - in simplified terms - that the discharge vessel from an outer bulb and arranged therein, preferably tubular Inner piston with a smaller diameter made gas-tight and that the electrodes are on the outside of the discharge vessel wall but are arranged inside the inner piston.
  • the wall of the Inner piston spans namely a cavity, the kind of a kind Invagination forms in the discharge vessel in which the outer electrodes are located.
  • the external electrodes are inadvertent Access protected.
  • the cavity at least from one or both end faces the lamp is accessible can be preferably strip or line-shaped electrodes easily on the side facing away from the discharge space Apply outside of the inner piston, preferably parallel to Longitudinal axis of the inner piston oriented.
  • the electrodes are preferred with respect to arranged uniformly distributed the circumference of the inner piston.
  • the electrodes can be easily connected via suitable power supply an electrical supply device, preferably for in the US 5,604,410 disclosed pulsed operation is designed, connect and Although without elaborate gas-tight power feedthrough.
  • this part is compared Saved to the volume covered by the outer bulb. This is even more true, as the distance between the wall of the inner piston and the wall of the outer bulb at least in partial areas of the discharge vessel less or even significantly smaller than the inside diameter of the inner piston is, typically only a few millimeters.
  • the tubular inner piston and the tubular Outer bulb of equal length sits concentrically inside the outer bulb and is gas-tight with the latter at both ends connected.
  • the two pistons at one end of the discharge vessel of the tubular inner piston shorter than the tubular outer bulb. There are the two pistons each closed with a dome-shaped dome. At the other End of the discharge vessel, both pistons are gas-tight with each other connected.
  • a pear-shaped outer bulb In the case of a pear-shaped outer bulb is the tubular inner piston closed at one end with a dome-shaped dome and at his other end gas-tightly connected to the pear-shaped outer bulb.
  • the inside of the discharge vessel wall is coated with a phosphor or phosphor mixture.
  • the inside of the wall of the inner piston optionally also the conical part in the pear-shaped outer bulb, provided with a reflective layer, for example of Al 2 O 3 , TiO 2 or MgO.
  • the reflection layer increases the usable luminous flux.
  • the lamp according to the invention can at least one side with a Base, in the case of general lighting e.g. with a conventional one Edison screw cap, be provided, which the cavity with the therein Outer electrodes closes.
  • a Base in the case of general lighting e.g. with a conventional one Edison screw cap, be provided, which the cavity with the therein Outer electrodes closes.
  • FIGS 1 a and 1b show a schematic representation of a partial longitudinal section and a cross section along the line AB through a dielectric barrier discharge lamp according to the invention for general lighting.
  • the lamp consists essentially of an elongate discharge vessel 1 made of glass and a screw base 2, which is mounted at one end of the discharge vessel 1.
  • the discharge vessel 1 has a tubular outer bulb 3 and a likewise concentric tubular inner piston 4 arranged therein.
  • the inner piston 4 is shorter than the outer bulb 3.
  • the two pistons 3, 4 each with a dome-shaped dome 5, 6 are closed.
  • the two pistons 3, 4 are gas-tightly connected to each other via a ring-shaped portion 7.
  • a volume 8 which is annular in cross-section and which is filled with 15 kPa xenon and 35 kPa neon as the discharge medium.
  • Xe 2 * excimers which emit molecular band radiation with a maximum at approximately 172 nm, arise within the discharge vessel 1, in particular.
  • the outer diameter of the inner piston 4 is about 1.0 cm and the inner diameter of the outer bulb 3 is about 2.5 cm, ie the gap width is only 7.5 mm and consequently the discharge vessel volume or the gas volume required for the discharge medium is relative low.
  • a reflective layer 9 of Al 2 O 3 is applied on the inside of the inner piston 4, ie on the side facing the discharge medium.
  • a white light-phosphor mixture layer 10 is applied on this reflection layer 9 and on the remaining inner side of the discharge vessel 1. This converts the above-mentioned Xe 2 * excimer radiation into visible white light.
  • four strip-shaped electrodes 11a - 11d of width 1.0 mm are applied on the outside of the inner piston 4.
  • the strip-shaped electrodes 11a-11d extend parallel to the longitudinal axis of the inner piston 4 and substantially along the entire length of the inner piston 4.
  • the four electrodes 11a-11d are uniformly distributed over the circumference of the inner piston 4, ie arranged at a constant mutual distance.
  • the electrodes 11a-11d are connected to an electronic ballast 13, which is integrated in the screw base 2.
  • the ballast may also be integrated into the cavity enclosed by the outside of the inner piston (not shown).
  • this dielectric barrier discharge lamp is suitable for use in conventional luminaires due to the integrated ballast and the Edison screw base.
  • the ballast 13 is designed for the pulsed operating method disclosed in the already mentioned US Pat. No. 5,604,410. Further details can be found in US Pat. No. 6,323,600.
  • FIGS. 1a, 1b show schematically a partial longitudinal section through a second Embodiment of a dielectric barrier discharge lamp according to the invention.
  • This embodiment is externally similar to a conventional one Light bulb. Same features as in the lamp in Figures 1a, 1b are provided with the same reference numerals.
  • the outer bulb 14 is on the side of the base 2 by means of a ring-shaped portion 7 with the socket side End of the tubular inner piston 4 connected gas-tight.
  • the inner piston In a not shown variant is in addition to the inside of the inner piston also the inside of the conical part of the outer bulb with a reflection layer Mistake. As a result, a conical directivity of the achieved radiated light.
  • FIGS 3a and 3b show a schematic representation of a longitudinal section and a cross section along the line AB through an inventive Dielectric barrier discharge lamp for UV irradiation.
  • the lamp is also filled with xenon, but has no Phosphor layer on.
  • the discharge vessel consists essentially of a tubular outer piston 15 and a coaxially disposed therein tubular inner piston 16.
  • the two pistons 15, 16 are each at both Ends by means of an annular portion 17, 18 gas-tight with each other connected.
  • On the inside of the inner piston 16 are four strip-shaped Electrodes 19 applied from silver.
  • the lamp may e.g. in a special intended luminaire or process chamber (not shown) be installed, in which also realized the power supply for the electrodes is.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Textile Engineering (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
EP05005987A 2004-04-23 2005-03-18 Lampe décharge à barrière diélectrique avec électrodes externes et système d'illumination utilisant une telle lampe Withdrawn EP1589563A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004020398A DE102004020398A1 (de) 2004-04-23 2004-04-23 Dielektrische Barriere-Entladungslampe mit Außenelektroden und Beleuchtungssystem mit dieser Lampe
DE102004020398 2004-04-23

Publications (2)

Publication Number Publication Date
EP1589563A2 true EP1589563A2 (fr) 2005-10-26
EP1589563A3 EP1589563A3 (fr) 2007-12-26

Family

ID=34934360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05005987A Withdrawn EP1589563A3 (fr) 2004-04-23 2005-03-18 Lampe décharge à barrière diélectrique avec électrodes externes et système d'illumination utilisant une telle lampe

Country Status (8)

Country Link
US (1) US20050236997A1 (fr)
EP (1) EP1589563A3 (fr)
JP (1) JP2005310796A (fr)
KR (1) KR100783207B1 (fr)
CN (1) CN1691272A (fr)
CA (1) CA2505278A1 (fr)
DE (1) DE102004020398A1 (fr)
TW (1) TWI271773B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7495396B2 (en) * 2005-12-14 2009-02-24 General Electric Company Dielectric barrier discharge lamp
KR101142242B1 (ko) * 2007-04-27 2012-05-07 오스람 아게 이중관으로 구성되는 유전체 장벽 방전 램프
TWI385349B (zh) * 2009-04-15 2013-02-11 Ind Tech Res Inst 照明模組
DE102010043215A1 (de) * 2010-11-02 2012-05-03 Osram Ag Strahler mit Sockel für die Bestrahlung von Oberflächen
TWI447776B (zh) * 2012-01-17 2014-08-01 可自行反射的無極燈具
US9153427B2 (en) 2012-12-18 2015-10-06 Agilent Technologies, Inc. Vacuum ultraviolet photon source, ionization apparatus, and related methods
CN103149195A (zh) * 2013-03-06 2013-06-12 河海大学 一种介质阻挡放电的光谱检测方法及装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1131480A (ja) * 1997-05-12 1999-02-02 Toshiba Lighting & Technol Corp 誘電体バリヤ放電ランプ用放電体、誘電体バリヤ放電ランプ、誘電体バリヤ放電ランプ装置および紫外線照射装置
EP0926704A1 (fr) * 1997-12-23 1999-06-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe plate à décharge à barrière diélectrique
US5994849A (en) * 1995-07-18 1999-11-30 Patent-Treuhand-Gesellschaft Fuer Electrische Gluehlampen Mbh Method for operating a lighting system and suitable lighting system therefor
EP1154461A1 (fr) * 2000-05-13 2001-11-14 Philips Corporate Intellectual Property GmbH Lampe à décharge basse pression à gaz rare,procédé de fabrication d'une lampe à décharge basse pression à gaz rare et utilisation d'une lampe à décharge à gaz
US20020067130A1 (en) * 2000-12-05 2002-06-06 Zoran Falkenstein Flat-panel, large-area, dielectric barrier discharge-driven V(UV) light source
JP2003100258A (ja) * 2001-09-25 2003-04-04 Toshiba Lighting & Technology Corp 蛍光ランプおよび電球形蛍光ランプ
JP2004031229A (ja) * 2002-06-27 2004-01-29 Toshiba Lighting & Technology Corp 放電ランプおよび放電ランプ装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH670171A5 (fr) * 1986-07-22 1989-05-12 Bbc Brown Boveri & Cie
US5220236A (en) * 1991-02-01 1993-06-15 Hughes Aircraft Company Geometry enhanced optical output for rf excited fluorescent lights
DE4311197A1 (de) * 1993-04-05 1994-10-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zum Betreiben einer inkohärent strahlenden Lichtquelle
US5552666A (en) * 1994-09-16 1996-09-03 Matsushita Electric Works Research And Development Laboratory Inc. Compact fluorescent lamp
WO1997040513A1 (fr) * 1996-04-19 1997-10-30 Philips Electronics N.V. Lampe a decharge basse pression sans electrode
KR100467875B1 (ko) * 1997-07-22 2005-01-24 파텐트-트로이한트-게젤샤프트 퓌어 엘렉트리쉐 글뤼람펜 엠베하 펄스 전압 시퀀스 발생 방법 및 그 회로 장치
KR20000015020A (ko) * 1998-08-26 2000-03-15 김승곤 무전극 방전 램프 및 그 제조방법
DE10048410A1 (de) * 2000-09-29 2002-04-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Dielektrische Barriere-Entladungslampe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5994849A (en) * 1995-07-18 1999-11-30 Patent-Treuhand-Gesellschaft Fuer Electrische Gluehlampen Mbh Method for operating a lighting system and suitable lighting system therefor
JPH1131480A (ja) * 1997-05-12 1999-02-02 Toshiba Lighting & Technol Corp 誘電体バリヤ放電ランプ用放電体、誘電体バリヤ放電ランプ、誘電体バリヤ放電ランプ装置および紫外線照射装置
EP0926704A1 (fr) * 1997-12-23 1999-06-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe plate à décharge à barrière diélectrique
EP1154461A1 (fr) * 2000-05-13 2001-11-14 Philips Corporate Intellectual Property GmbH Lampe à décharge basse pression à gaz rare,procédé de fabrication d'une lampe à décharge basse pression à gaz rare et utilisation d'une lampe à décharge à gaz
US20020067130A1 (en) * 2000-12-05 2002-06-06 Zoran Falkenstein Flat-panel, large-area, dielectric barrier discharge-driven V(UV) light source
JP2003100258A (ja) * 2001-09-25 2003-04-04 Toshiba Lighting & Technology Corp 蛍光ランプおよび電球形蛍光ランプ
JP2004031229A (ja) * 2002-06-27 2004-01-29 Toshiba Lighting & Technology Corp 放電ランプおよび放電ランプ装置

Also Published As

Publication number Publication date
KR100783207B1 (ko) 2007-12-06
US20050236997A1 (en) 2005-10-27
EP1589563A3 (fr) 2007-12-26
CA2505278A1 (fr) 2005-10-23
CN1691272A (zh) 2005-11-02
JP2005310796A (ja) 2005-11-04
KR20060047345A (ko) 2006-05-18
TWI271773B (en) 2007-01-21
TW200539231A (en) 2005-12-01
DE102004020398A1 (de) 2005-11-10

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